answersLogoWhite

0

Just line up the decimal point and add zeros where you need them:

3.8 - 1.279

becomes

3.800

1.279

--------

5.218-3

becomes

5.218

3.000

-------

From here, proceed as normal (borrowing, etc.) to find the answer.

Note that I've left out the subtraction sign to make sure numbers align.

User Avatar

Wiki User

16y ago

What else can I help you with?